The detailed configuration of the new absorption–compression refrigeration system is shown in
Fig. 1(a). It comprised a Rankine power subsystem using a mixture working fluid, an absorption
subsystem in the high-temperature refrigeration stage, and a single-stage compression subsystem in the
low-temperature stage. NH3/H2O solution was used as the working fluid in the power and absorption
subsystems, whereas CO2 was used in the compression subsystem.